ZHANG Qiang-yong, XIANG Wen. Supporting model of composite soil nailing walls and its application to deep & large foundation pit engineering[J]. 2007, 28(10).
ZHANG Qiang-yong, XIANG Wen. Supporting model of composite soil nailing walls and its application to deep & large foundation pit engineering[J]. 2007, 28(10).DOI:
The soil nailing walls is a kind of retaining structure to stabilize foundation pit and slope. Composite soil nailing walls is formed by combining soil nailing with prestressed anchor bar. According to the interactive mechanism of soil nailing
prestressed anchor bar and soil mass
a jointly interactive model is proposed to simulate supporting and anchoring effect of the composite soil nailing walls. The mechanical model is applied to a deep & large foundation pit which was designed by authors; and the supporting design scheme for the foundation pit has been effectively optimized. Stability of the foundation pit and safety of surrounding environment under excavation state have also been ensured. The supporting for foundation pit has achieved complete success.